Apple has released the third tvOS 10.1 developer beta for the fourth generation Apple TV. The upcoming software update so far has included early hooks for Apple's new single sign-on feature which lets you authenticate with your cable provider to unlock all compatible paid video apps.tvOS 10.1 is also expected to include Apple's new TV app when it launches in December. The update follows the feature-packed tvOS 10 update in September, and the minor bug fix release of tvOS 10.0.1 last month.Everything new in tvOS 10: Smarter Siri, dark mode, HomeKit, moretvOS 10.0.1 software update for Apple TV is now available for everyoneAside from recent software updates, Apple also recently introduced a new app for Apple TV called iBooks StoryTimeWhile Apple introduced its TV app on iPhone and iPad with the second iOS 10.2 developer beta last week, tvOS 10.1 did not include its version of the same TV app at the time.Single sign-on, however, was made available through the Settings app under Accounts for certain service providers. Paid video apps will need to update to take advantage of this feature as Apple adds more service providers before the feature launches next month.We'll update with any changes discovered in the latest tvOS 10.2 beta below.